Fix failing test (#279)

Author: mp-orkes

tests/integration/client/orkes/test_orkes_clients.py

@@ -520,7 +520,7 @@ def __test_workflow_execution_lifecycle(self):
             workflow = self.workflow_client.get_workflow(workflow_uuid, False)
         except ApiException as e:
             assert e.code == 404
-            assert e.message == "Workflow with Id: {} not found.".format(workflow_uuid)
+            assert str(e.message).lower() == "workflow with id: {} not found.".format(workflow_uuid)
 
     def __test_task_execution_lifecycle(self):